Poor Lindsay Lohan can't even clog a toilet without making the news. On the set of Scary Movie 5, LiLo clogged her own trailer's toilet ... "and because the toilets in the other trailers ran on the same connected system, the others stopped working, too. No one could go to the bathroom," a source explains to Wetpaint Entertainment in a story picked up by the New York Post. "Everything got so messy, it took a day and a half to clean up. Production fell behind schedule because of it." And the Post even finds its own source, who adds that Lohan "trashed her trailer and left the shower running, which flooded the place. She made a real mess."